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40521400220253 = 323563573234877
BaseRepresentation
bin10010011011010100111111…
…01010100111101001011101
312022110210211001102112220010
421031222133222213221131
520302400311424022003
6222103135124313433
711351401033560651
oct1115523752475135
9168423731375803
1040521400220253
1111a03036040807
12466539ab42879
13197c1c8217c54
14a01363952a61
154a40c44a6003
hex24da9faa7a5d

40521400220253 has 8 divisors (see below), whose sum is σ = 54030826660768. Its totient is φ = 27013120296624.

The previous prime is 40521400220233. The next prime is 40521400220267. The reversal of 40521400220253 is 35202200412504.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40521400220253 - 225 = 40521366665821 is a prime.

It is a super-4 number, since 4×405214002202534 (a number of 56 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40521400220253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40521400220233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286546750 + ... + 286688127.

It is an arithmetic number, because the mean of its divisors is an integer number (6753853332596).

Almost surely, 240521400220253 is an apocalyptic number.

It is an amenable number.

40521400220253 is a deficient number, since it is larger than the sum of its proper divisors (13509426440515).

40521400220253 is a wasteful number, since it uses less digits than its factorization.

40521400220253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573258443.

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 40521400220253 its reverse (35202200412504), we get a palindrome (75723600632757).

The spelling of 40521400220253 in words is "forty trillion, five hundred twenty-one billion, four hundred million, two hundred twenty thousand, two hundred fifty-three".

Divisors: 1 3 23563 70689 573234877 1719704631 13507133406751 40521400220253